Biology 1 - The Life Sciences » 2019 » Module 3 Exam

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Question #1
Which of the following organisms can perform photosynthesis?
A.   Algae
B.   Some kinds of bacteria, algae and plants
C.   Some kinds of bacteria
D.   Plants
E.   Algae and Plants
F.   All of the above
Question #2
Which of the following is the most abundant pigments used to absorb light in plants?
A.   chlorophyll c
B.   chlorophyll a
C.   carotenoids
D.   chlorophyll b
Question #3
How does the carbon dioxide that is needed in photosynthesis get inside the plant?
A.   Through the roots
B.   You can't fool me, plants don't use carbon dioxide in photosynthesis
C.   Right through the skin or epidermis of the plant
D.   Through the stomatal pores on the leaf
Question #4
Plants perform photosynthesis but not cellular respiration.
A.   TRUE
B.   FALSE
Question #5
NADPH is one kind of molecule known as an 'electron carrier molecule'.
A.   FALSE
B.   TRUE
Question #6
The first step in photosynthesis, call the Light Dependent Reaction,  involves the
A.   Use of sunlight to break up water molecules
B.   The use of sunlight to generate ADP
C.   The use of sunlight to break up carbon dioxide molecules
D.   The use of sunlight to build a sugar molecule
Question #7
What name is given to the membranous sacs found within a chloroplast?
A.   Stroma
B.   Cristae
C.   Thylakoids
D.   Reaction centers
Question #8
The carbon reactions take place
A.   in between the inner and outer membranes of the chloroplast
B.   in the thylakoid membranes
C.   in the lumen of the thylakoids
D.   in the stroma
Question #9
In plants, Photosystem II is known as the "NADPH-producing Photosystem"
A.   TRUE
B.   FALSE
Question #10
Which color of light is least used as an energy source to power photosynthesis?
A.   Red
B.   Green
C.   Yellow
D.   Blue
Question #11
Of the following list of plant structures, which is the smallest?
A.   granum
B.   chloroplast
C.   thylakoid
D.   chlorophyll
E.   mesophyll cell
Question #12
CAM photosynthesis is a special process that evolved in those plants that live in cooler, more low light conditions.
A.   TRUE
B.   FALSE
Question #13
The light reactions of photosynthesis produce
A.   ATP and NADPH
B.   NADPH
C.   ATP
D.   ATP, NADPH, and glucose
E.   Glucose
Question #14
The Light Dependent Reaction of photosynthesis occurs just outside the chloroplast.
A.   FALSE
B.   TRUE
Question #15
Which of following molecules is used by all cells as the universal energy molecule?
A.   ATP
B.   Protein
C.   DNA
D.   Carbohydrate
Question #16
Which of the following is the correct order of the three stages of aerobic respiration? 
A.   glycolysis, krebs cycle, electron transport chain
B.   krebs cycle, glycolysis, electron transport  
C.   electron transport chain, krebs cycle, glycolysis 
D.   electron transport, glycolysis, krebs cycle  
Question #17
Which of the following molecules is a product of cellular respiration?
A.   ADP
B.   O2
C.   C6H12O6
D.   CO2
Question #18
Which of the following is an adaptation to increase the surface area of a part of a cell that is involved in cellular respiration?
A.   the outer membrane of a chloroplast
B.   the cristae of mitochondria
C.   the grana of a chloroplast
D.   the endoplasmic reticulum
Question #19
Where is the mitochondrial matrix?
A.   outside the outer membrane
B.   between the inner and outer membranes
C.   inside the inner membrane
Question #20
The process known as alcohol fermentation is utilized by ______ to survive an anaerobic environment.
A.   Plants
B.   Yeast
C.   Seaweed
D.   Animals
Question #21
Which stage of cellular respiration produces the most electron carrier molecules?
A.   Krebs Cycle
B.   Transition reaction
C.   Electron transport chain
D.   Glycolysis
Question #22
Which of the following pathways are used during fermentation?
A.   Glycolysis and Krebs Cycle
B.   Electron transport chain only
C.   Krebs cycle and electron transport chain
D.   Glycolysis only
Question #23
Cellular respiration of one molecule of glucose ultimately yields 136 molecules of ATP
A.   TRUE
B.   FALSE
Question #24
What activates ATP synthase to produce ATP? 
A.   NADH coming across the mitochondrial inner membrane 
B.   H+ ions flowing across the mitochondrial inner membrane 
C.   glucose coming across the mitochondrial inner membrane 
D.   acetyl CoA coming across the mitochondrial inner membrane 
Question #25
Which of the following foods can be oxidized by aerobic respiration?
A.   Glucose, fats and proteins
B.   fats only
C.   glucose only
D.   Proteins only
Question #26
The terminal electron acceptor in the electron transport chain is oxygen
A.   FALSE
B.   TRUE
Question #27
What happens to glucose’s carbon atoms during the overall process of aerobic respiration?
A.   They remain in the pyruvate molecules
B.   They are released as CO2.
C.   They are donated to O2.
D.   They become part of ATP.
Question #28
About what percent of the light striking the Earth from the Sun is actually captured by living things used to power photosynthesis?,,
A.   10%
B.   25%
C.   100%
D.   1%

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